2026年 April

10 Best adapters in 日本

Last Updated - 02/04/2026

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Best Choice
01

VELIKE
30% Off

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VELIKE Overseas Conversion Plug Socket Foreign Power Plug Multi Conversion Plug 2USB Ports Worldwide Compatible Converter Overseas Travel Charger A/O/BF/C Type Multi Adapter Compatible with 200+
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Universal conversion plug】This product is a "conversion plug" designed to change the shape of the outlet Compatible with 4 types of plugs used worldwide (A, C, O, BF) Compatible with over 200 countries' plugs worldwide including Korea, China, US, UK, and Europe ※Please note, this product has received an exceptional approval from the Ministry of Economy, Trade and Industry for overseas use, and therefore cannot be used within Japan
【Compact and Lightweight】This power conversion plug is small and lightweight, with a size of 3.0 x 2.0 x 1.5 inches (77 x 50 x 39 mm) and a weight of about 3.2 oz (91 g). It also features four foldable plug parts that can be stored compactly, making it easy to carry in your bag without taking up much space or adding weight, very convenient for travel Ideal for overseas travel, business trips, and studying abroad
【 ONE DEVICE WITH 3 FUNCTIONS | FAST CHARGING USB×2 】The conversion plug has 2 built-in USB ports with a maximum of 6A (2.0A each) and an AC outlet that can fast charge up to 3 devices simultaneously For example, USB devices such as smartphones, mobile batteries, tablets, iPhone, iPad, cameras, etc
Safe and Secure Design: This multi-conversion plug has been certified by ROHS, CE and FC Simple design. It has a security door, overvoltage protection, overcharge protection, and short circuit protection, ensuring charging and eliminating concerns about overload or short circuit
Includes: VELIKE overseas conversion plug body, case, instruction manual Size: Overseas Conversion Plug: H 3.0 x W 2.0 x D 1.54 inches (77 x 50 x 39 mm) / 3.2 oz (91 g), Case: H 3.7 x W 2.6 x D 2.1 inches (95 x 66 x 53 mm) / 37 g, Japanese instructions The rated input for the AC outlet is AC 100-240V, 50-60Hz The output of the 2 USB ports is 5V/2.1A ※Please note: This conversion plug does not have voltage conversion functionality

￥1,680 ￥2,399 30% Off
02

MARSNET

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Total 40W Rapid Charger, USB Outlet, Type-C Charger, AC Adapter, USB Port & USB C Port, PD, 20W, iPhone Charger, Adapter, Type C Charger, USB Power Strip for iPhone, iPad, Android and Other Devices
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

⚡【UNIVERSAL COMPATIBLE PD CHARGER】: The TYPE C adapter is special 4 ports, so it is compatible with almost any electronic device. iPhone 15/15 Pro /15 Pro Max/14/14 Pro/14 Pro Max/13/13 Mini/13 Pro Max/12/12 Pro Max/12 Pro Max/12 Mini/SE 2020/11/11 Pro/11 Pro Max/XR/XS/X/X/X/X/X/X/X/X/X/X/X/X/8/Pro/7, iPad Air/Pro /Mini, Samsung Galaxy This charging station is compatible with digital devices such as y, Hiwei, Xiaomi, Tablet, LG, Motorola, Google Pixel
⚡【Safe and Reliable AC Adapter】: Equipped with a smart chip to adjust the input power of your phone to prevent overcharging and overheating
⚡【Multi-Port USB Outlet】:The Type-C charger has dual USB-C ports and dual USB-A ports. Users can charge phones, tablets and headphones simultaneously to minimize waiting. It also saves space instead of occupying 4 wall outlet ports. Best replacement for the original USB charger
⚡【40W USB Rapid Charger】: Type-C charger supports Power Delivery and Quick Charge 3.0 rapid charging with up to 40W total power. USB port provides 3.1A/5V output power, USB-C port provides 20W charging speed. Charge your iPhone devices from 0% to 58% in just 30 minutes
Compact and Portable USB Power Tap: Incredibly compact size for improved portability. This portable charger is all equipped with a compact body that fits in your pocket, so you can take it anywhere. Perfect for home, office, or on the go

￥1,499
03

Viviber

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Viviber Rapid Charger i-Phone 16 AC Adapter Type-C Type C Charger USB-C Power Adapter (USB-A & USB-C 2 Ports/20W PD3.0/PSE Certified) USB C Outlet for iPhone 16/15/14/13/12/11 Series, iPad/Xperia
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Equipped with USB-C 20W and USB-A 18W Ports】 Features both a Power Delivery compatible USB C port and a Quick Charge compatible USB A port When used alone, USB-C outputs 20W When using the USB-A port alone, the USB-A outputs 18W When charging simultaneously, it supports a total voltage and current of up to 20W, and outputs the optimal current for the connected device through an automatic detection function Note: When using both ports simultaneously, normal charging will occur For those who want to quickly charge their smartphone, it is recommended to use the single port independently
✅【Obtained PSE Safety Certification】The Viviber USB outlet features PSE certification and a multi-protection system With excellent safety technology, it prevents overcharge, overvoltage, overcurrent, overheating, and short circuits in the circuit, allowing for long-term safe charging Safe to use
Package Contents: 20W USB C & USB A charger x 1 (*The order number will replace the warranty card) We guarantee the quality of our products within 12 months of purchase If there is any issue with the product, please feel free to contact us We can provide free exchange or refunds
Convenient for Travel and Business Trips: Compact design, easy to store, and small enough to hold in your hand Lighter design with a compact size for space saving, easy to carry in your bag for home, office, outings, or travel, very convenient
Can charge devices compatible with "USB PD" and "Quick Charge" rapid charging Using a Type C to Lightning cable via the PD port, you can rapidly charge not only the latest i-Phone 16/15/14/13/13 Pro/13 Mini/13 Pro Max/12/12 Pro/12 Pro Max/12 Mini, but also models from i-Phone 8 onwards It is compatible with various Android smartphones such as Galaxy and Xperia which support QC rapid charging, and also provides the best charging performance on the iPad Pro, iPad Air (3rd generation), and iPad mini (5th generation)

￥899
04

UGREEN
25% Off

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UGREEN Charger Type-C 30W (2*USB-C+1*USB-A) [PSE Technical Standards Compliance/PD3.0 Support/30W Fast Charging/Compact] GaN Adapter Compatible with iPhone 17/16/15/14/13/iPad/Galaxy S25-S10/Google
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【PSE Technical Standards Compliant PD3.0 Fast Charging】 Compatible with USB-C PD3.0 charging specifications, it allows for fast and efficient charging It also has PSE certification to ensure that your device's battery charges quickly and safely, allowing you to use it comfortably anytime With PD3.0 rapid charging and PSE certified, this smartphone charger charges iPhones from 0% to 60% in just 30 minutes
【Compact and easy to carry】: This smartphone charger is 36*33*44mm, a compact size that is convenient for carrying The compact body incorporates high-efficiency charging technology, making it easy to use on the go or while traveling You can comfortably charge devices such as smartphones and tablets anytime, anywhere, supporting users' lifestyles Due to its small volume, it can easily be stored in bags and pockets, reducing the burden when carrying
【Charge all your portable devices with one adapter】The UGREEN 30W charger is equipped with 2*USB-C + 1*USB-A ports, capable of delivering up to 30W of output power through the C ports alone, allowing you to charge not only the iPhone series but also the MacBook When using only the A port, a maximum output of 22.5W is possible, and when using both the A and C ports, a total output of 15W is possible
【24-month warranty period】Products purchased from our store come with a 24-month warranty service We provide a 24-month warranty from the date you purchased the product to the date of the incident Please note: If intentional damage by the customer or a third party is found, it will not be covered by the warranty
Supports Multiple Charging Standards / Small but Highly Compatible: This USB-C charger allows you to enjoy your gadget life more freely Not only compatible with PD3.0, but also supports multiple charging standards such as QC3.0, SCP, AFC, BC1.2, and has excellent compatibility with iPad Pro/iPad mini/iPhone/Android phones/tablets/iWatch/MacBook Air/AirPods Pro, providing fast charging for all your devices
Intelligent Current Distribution & Firm Support: UGREEN's unique power dispenser system automatically identifies the output according to the connected devices, and adapts to the power required for a powerful and safe charge Equipped with multiple charging protection systems such as overcharge protection, overheating prevention, overcurrent prevention, and short circuit prevention, it has passed PSE certification, so you can use it with confidence Also, with UGREEN's proprietary technology, it automatically detects the output according to the connected device, ensuring a powerful and safe charging at the optimal amount of current Furthermore, it uses fire-resistant PC material with a fire resistance rating of UL94-V0 Combines the durability and safety of AC adapter Note: When intelligently distributing the current, a momentary interruption in power supply is a normal phenomenon Rest assured )

￥1,484 ￥1,980 25% Off
Best Value
05

Resewern
34% Off

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Resewern Type-C Charger Type-C 20W [2025 New Model PSE Certified] PD Fast Charger Power Adapter AC Adapter USB Outlet Type-C Adapter Compatible with iPhone 17/16/15//Android/iPad and Other Various
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【PSE Certified】: With a multiple charging protection system and fire-resistant materials, it prevents damage from overcharging, over-discharging, overheating, and short circuits, and it has a structure that doesn't easily heat up, so you can use it with confidence Certified with PSE Mark, ensuring safety for your devices and family
【PD Standard Support】: When charging PD standard compliant devices with a Type-C port, the output voltage is automatically optimized, providing the best charging performance when paired with iPad Pro or iPad Air With the iPhone 15 Pro, you can charge up to 60% in just 30 minutes of charging
【Fireproof, heat-resistant, shockproof】: The iPhone charger is made with a pure copper plug that is nickel-plated to improve contact performance and prevent oxidation and corrosion Made with PC heat-resistant fire-retardant material that has been molded into one piece, providing excellent fireproof, heat and shock resistance, and is not easy to break, so you can use it for a long period of time
【Compact, Portable, Convenient & Quality Assurance】This Type-C fast charger features a compact design (4.8*4.2*2.6 cm) that saves space and does not interfere with other outlets when plugged into a power strip It can be easily stored in your bag or pocket for easy carrying It can be used for a wide range of occasions, from short trips to overseas trips The product comes with a 12-month warranty. If you have any issues, please contact us through "Order History" -> "Contact Seller" (★ We can handle product exchange/return services ★). We guarantee to respond promptly and ensure 100% satisfaction
【Built-in Smart IC Plus】: Equipped with a smart chip that automatically recognizes devices, this IC allows for optimal and fastest charging for connected devices With protection features such as overcurrent protection, overvoltage protection, short circuit protection, and heating protection, it can protect your charging device and ensure long-term safe use
【Broadband Voltage】: With the PD20W power adapter, you can charge quickly and efficiently at home, at the office, or on the go Compatible with voltages of 100-240V worldwide, it can be used globally Even if you go abroad, you don't have to worry about your device running out of power if you have this one with you!

￥597 34% Off
06

Vulendu
25% Off

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USB Charger AC Adapter iPhone Rapid Charger [PSE Certified 2-Piece Set] AC Outlet Rapid Charger Smartphone Charger 12W 2 Ports 2.4A Fast Charging Simultaneous Charging 2-Port USB Power Adapter
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Wide Compatibility】: Simply plug it into an outlet to turn it into a USB socket that can charge iPhones, Androids, and other devices. It provides full-speed charging for all USB devices in 2 hours Supports rapid charging for Android devices such as AQUOS, Galaxy, Xperia, etc., and Apple devices
【PSE Certified for peace of mind and safety】: The 2.4A fast charging AC adapter is an electrical appliance with a PSE mark, confirming compliance with technical standards, preventing overvoltage, overcurrent, overheating, and circuit shorts, providing fast and safe charging
【Multiple Protection Features】: With numerous protection features such as overheating protection, short circuit protection, overvoltage protection, lightning protection, power overload protection, and overcurrent protection, it ensures safety protection from the inside out, firmly safeguarding the safety of your device and the charger body, allowing you to use it safely and securely
【High Quality Chip, Intelligent Protection】: Automatically detects and matches the applicable voltage and current Equipped with an intelligent temperature protection system, it automatically detects overheating and controls the temperature, making charging much safer! Extends the lifespan!
【Equipped with USB-A Ports】: Featuring 2 rapid charging ports, it allows you to charge 2 devices simultaneously The USB-A port supports 5V/2.4A, enabling 12W fast charging The total maximum output of the double port is 24W
Eco-friendly, high-quality materials: Pure copper plugs have been treated with nickel plating to improve contact performance and prevent oxidation corrosion The surface is made of environmentally friendly PC + ABS material (synthetic resin alloy fireproof material) Excellent heat resistance and wear resistance, as well as impact resistance, making it less likely to break and can be used for a long time

￥749 25% Off
07

Hootek

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Hootek USB Charger, 2 Ports, USB Outlet, AC Adapter, 2.1A Rapid Charging/PSE Certified, Compact USB Power Adapter, iPhone Charger, Android Charger, Smartphone Charger, Mobile Phone Charger, AC
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

★ Small and lightweight size (3.2*3.2*3.2*3.7cm/30g) until you hold it by hand. Lightweight and compact in the palm of your hand for easy carrying. International voltage compatibility (input voltage: AC 100 - 240 V) makes the ideal travel accessory. Small enough for home and office use, unobtrusive, powerful and fast charging
★ SAFE TO USE: Fireproof cover and smart IC identification design. Automatic inspection function: It can be automatically tested and provided to connect the optimal current for your device. Intelligent IC design with overheating protection, overcurrent protection, overcharge protection, automatically shut off when battery is finished It also has passed PSE certification, so you can use it with confidence
★ Quality Assurance: 12 months worry-free warranty. In the event that initial defects or damage occurs, please contact our store via "Order history" → "Contact seller" (★Product exchanges, return service, etc.)
★ COMPATIBILITY: Compatible with various USB devices such as iPhone 11/11Pro/11Pro Max/Xs Max/X/Xs/Xr/8/7/6/5/SE (1st Generation)/iPad/Galaxy/Sony/HuaWei, etc
★ CHARGING 2 AT THE SAME TIME: Equipped with 2 USB-A ports, each port has a maximum output of 2.1A, and can charge your smartphone or iPhone at the same time, saving charging time on 2 charging devices. (2 ports total within 2.1 A)

￥699
08

Viviber

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Viviber USB Adapter USB Outlet AC Charger Power Supply iPhone Charger (PSE Certified/2.1A/2 USB Ports) Compact Compatible with Phone 17/16/15/14/13/12/11 Series / Pad/Xperia/GALAXY/Game Consoles, etc
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【USB Charger Product Specifications】: Input voltage: AC 100 V - 240 V (for both overseas and domestic use), Output voltage: DC 5 V, Output current: Max 2.1 A (total for 2 ports), Weight: 30 g/each
【Compatibility】Compatible with devices such as iPhone 17/16/15/14/13/12/11/X/iPhone 8/8 Plus/iPhone 7/7 Plus/iPhone 6s/6s Plus/iPhone 6/6 Plus/iPhone SE/iPod/iPad/iPad Air/Xperia/Google Nexus Tablet/Galaxy Tab/mobile batteries/mp4 players/game devices/digital audio speakers/Wi-Fi routers, and wireless audio receivers
This AC charger allows you to charge your smartphone or tablet from a household outlet Equipped with 2 USB ports, it allows you to simultaneously charge devices compatible with USB charging, such as smartphones and iPhones (total of 2 ports with a maximum of 2.1A combined) Equipped with the "Smart USB System" automatic USB port output detection function, it allows for fast charging with the maximum output suitable for your device
Package Content: 1 x USB Power Adapter (White) Reliable Support: Comes with a 12-month peace of mind warranty. If there are any issues, please contact us for prompt assistance We will do our best to ensure customer satisfaction
5 Protection Functions: Adopts the latest chip and includes overheating protection, overcharge protection, overvoltage protection, overcurrent protection, and short circuit protection to reduce the heat of the connector parts

￥699
09

MARSNET
13% Off

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Total 40W Rapid Charger, USB Outlet, Type-C Charger, AC Adapter, USB Port & USB C Port, PD, 20W, iPhone Charger, Adapter, Type C Charger, USB Power Strip for iPhone, iPad, Android and Other Devices
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

⚡【UNIVERSAL COMPATIBLE PD CHARGER】: The TYPE C adapter is special 4 ports, so it is compatible with almost any electronic device. iPhone 15/15 Pro /15 Pro Max/14/14 Pro/14 Pro Max/13/13 Mini/13 Pro Max/12/12 Pro Max/12 Pro Max/12 Mini/SE 2020/11/11 Pro/11 Pro Max/XR/XS/X/X/X/X/X/X/X/X/X/X/X/X/8/Pro/7, iPad Air/Pro /Mini, Samsung Galaxy This charging station is compatible with digital devices such as y, Hiwei, Xiaomi, Tablet, LG, Motorola, Google Pixel
⚡【Safe and Reliable AC Adapter】: Equipped with a smart chip to adjust the input power of your phone to prevent overcharging and overheating
⚡【Multi-Port USB Outlet】:The Type-C charger has dual USB-C ports and dual USB-A ports. Users can charge phones, tablets and headphones simultaneously to minimize waiting. It also saves space instead of occupying 4 wall outlet ports. Best replacement for the original USB charger
⚡【40W USB Rapid Charger】: Type-C charger supports Power Delivery and Quick Charge 3.0 rapid charging with up to 40W total power. USB port provides 3.1A/5V output power, USB-C port provides 20W charging speed. Charge your iPhone devices from 0% to 58% in just 30 minutes
Compact and Portable USB Power Tap: Incredibly compact size for improved portability. This portable charger is all equipped with a compact body that fits in your pocket, so you can take it anywhere. Perfect for home, office, or on the go

￥1,299 ￥1,499 13% Off
10

ICONSHOP

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ICONSHOP 3P-2P Power Plug Conversion Adapter PSE Certified Up to 1500W with Ground Wire Protection Cover IC-3P2P
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

This product is compliant with PSE (Electrical Appliances Safety Act) technical standards, verified by JET (Japan Electrical Testing) inspection
This is a power plug conversion adapter (with ground cord) that allows you to use a 3-prong plug with the common 2-pin outlets in Japan
Mainly used in OA devices with 3-pin plug (computers, phones, copiers, fax machines, shredders, projectors, servers, printers, video calls, network calling devices) and home appliances
Includes ground wire protection cover Prevents the ground wire from being mistakenly inserted into the outlet
ENVIRONMENTALLY FRIENDLY: RoHS, RoHS 2 and REACH compliant products
Compatible with domestic devices up to 1,500 W Rated Capacity: AC 125V - 15A

￥560

10 Best adapters in 日本

VELIKE Overseas Conversion Plug Socket Foreign Power Plug Multi Conversion Plug 2USB Ports Worldwide Compatible Converter Overseas Travel Charger A/O/BF/C Type Multi Adapter Compatible with 200+

Total 40W Rapid Charger, USB Outlet, Type-C Charger, AC Adapter, USB Port & USB C Port, PD, 20W, iPhone Charger, Adapter, Type C Charger, USB Power Strip for iPhone, iPad, Android and Other Devices

Viviber Rapid Charger i-Phone 16 AC Adapter Type-C Type C Charger USB-C Power Adapter (USB-A & USB-C 2 Ports/20W PD3.0/PSE Certified) USB C Outlet for iPhone 16/15/14/13/12/11 Series, iPad/Xperia

UGREEN Charger Type-C 30W (2*USB-C+1*USB-A) [PSE Technical Standards Compliance/PD3.0 Support/30W Fast Charging/Compact] GaN Adapter Compatible with iPhone 17/16/15/14/13/iPad/Galaxy S25-S10/Google

Resewern Type-C Charger Type-C 20W [2025 New Model PSE Certified] PD Fast Charger Power Adapter AC Adapter USB Outlet Type-C Adapter Compatible with iPhone 17/16/15//Android/iPad and Other Various

USB Charger AC Adapter iPhone Rapid Charger [PSE Certified 2-Piece Set] AC Outlet Rapid Charger Smartphone Charger 12W 2 Ports 2.4A Fast Charging Simultaneous Charging 2-Port USB Power Adapter

Hootek USB Charger, 2 Ports, USB Outlet, AC Adapter, 2.1A Rapid Charging/PSE Certified, Compact USB Power Adapter, iPhone Charger, Android Charger, Smartphone Charger, Mobile Phone Charger, AC

Viviber USB Adapter USB Outlet AC Charger Power Supply iPhone Charger (PSE Certified/2.1A/2 USB Ports) Compact Compatible with Phone 17/16/15/14/13/12/11 Series / Pad/Xperia/GALAXY/Game Consoles, etc

Total 40W Rapid Charger, USB Outlet, Type-C Charger, AC Adapter, USB Port & USB C Port, PD, 20W, iPhone Charger, Adapter, Type C Charger, USB Power Strip for iPhone, iPad, Android and Other Devices

ICONSHOP 3P-2P Power Plug Conversion Adapter PSE Certified Up to 1500W with Ground Wire Protection Cover IC-3P2P

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UGREEN Charger Type-C 30W (2USB-C+1USB-A) [PSE Technical Standards Compliance/PD3.0 Support/30W Fast Charging/Compact] GaN Adapter Compatible with iPhone 17/16/15/14/13/iPad/Galaxy S25-S10/Google